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C68400 Brass vs. SAE-AISI 1141 Steel

C68400 brass belongs to the copper alloys classification, while SAE-AISI 1141 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
11 to 17
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
72
Shear Strength, MPa 330
460 to 480
Tensile Strength: Ultimate (UTS), MPa 540
740 to 810
Tensile Strength: Yield (Proof), MPa 310
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 130
400
Melting Completion (Liquidus), °C 840
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 66
51
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
10
Electrical Conductivity: Equal Weight (Specific), % IACS 99
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 47
19
Embodied Water, L/kg 320
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 460
430 to 1290
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
26 to 29
Strength to Weight: Bending, points 19
23 to 25
Thermal Diffusivity, mm2/s 21
14
Thermal Shock Resistance, points 18
24 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0.37 to 0.45
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
97.7 to 98.2
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
1.4 to 1.7
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0
Sulfur (S), % 0
0.080 to 0.13
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0